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1 year ago

Cooked rice should be held at a minimum temperature of

Chemistry

1 answer:

makkiz [27]1 year ago

5 0

Cooked rice should be held at a minimum temperature of <u>57°C or 135°F</u>.

Bacteria grow unexpectedly in temperatures among forty tiers Fahrenheit and a hundred and forty stages Fahrenheit. After your rice is thoroughly cooked, it ought to be stored hot, if you want to save you bacterial increase.

Any dish that incorporates cooked rice, beans, veggies, or pasta ought to be handled as a meals and saved out of the temperature danger zone.

Handiest reheat rice if it has previously been cooled down appropriately and stored inside the refrigerator until wanted. Handiest take sufficient rice portions from refrigerator as are required. thoroughly re-warmness the rice all of the way through until steaming. You could check this with a temperature probe.

Learn more about Cooked rice temperature here:- brainly.com/question/29392202

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Assuming linear behavior and a pathlength of exactly 1 cm, what molar concentration will measure an absorbance of

MakcuM [25]

For this problem, we use the equation derived from Beer's Law as written below:

A = ∈LC,
where
A is the absorbance
∈ is the molar absorptivity
L is the path length of the cuvette
C is the concentration of the sample solution placed in the cuvette

To determine C, we have to know the rest of the parameters. Generally, the equation for C would be:

C = A/∈L = A/∈(1 cm)
C = A/∈

If you know the absorbance and the molar absorptivity in mol/L·cm, you can determine the value of C.

7 0

3 years ago

3. A volume of 90 mL of 0.2 M HBr neutralizes

svlad2 [7]

Answer:

0.3M

Explanation:

Step 1:

Data obtained from the question. This include the followingb:

Volume of acid (Va) = 90mL

Concentration of acid (Ca) = 0.2M

Volume of base (Vb) = 60mL

Concentration of base (Cb) =....?

Step 2:

The balanced equation for the reaction. This is given below:

HBr + NaOH —> NaBr + H2O

From the balanced equation above,

The mole ratio of the acid (nA) = 1

The mole ratio of the base (nB) = 1

Step 3:

Determination of the concentration of the base, NaOH.

The concentration of the base can be obtained as follow:

CaVa /CbVb = nA/nB

0.2 x 90 / Cb x 60 = 1

Cross multiply

Cb x 60 = 0.2 x 90

Divide both side by 60

Cb = 0.2 x 90 /60

Cb = 0.3M

Therefore, the concentration of the base, NaOH is 0.3M

7 0

3 years ago

Read 2 more answers

Match each Earth and space science discipline to its description.

saul85 [17]

Astronomy

Geology

Environmental science

Explanation:

The study of the space around earth and the universe including meteoroids and galaxies that are trillion of miles away is called astronomy.

Astronomy has involves the study of everything in the universe. What started off as monitoring of star positions now uses sophisticated telescope and spacial probes to obtain information about the expanding universe.

Geology is a science that studies the earth rocky surface to determine when and how the earth formed and how its surface is constantly changing.

Our blue planets is a dynamic celestial body. Geology combines different disciplines like physics, biology, chemistry e.t.c to make meaning of the earth.

Environmental science is the study of complex interactions taking place between living organisms and earth's non-living systems.

It simply implies the interaction between living organisms and their environment.

Learn more:

Astronomical units brainly.com/question/12904051

Sedimentary rocks brainly.com/question/2740663

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8 0

4 years ago

How many grams are in 4.50 moles of Li2O?

astraxan [27]

Answer:

There are 134.5 grams in 4.5 moles of Li2O (lithium oxide).